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TECHNICAL NOTICE (December 12, 2019)
Additions to Source Codes for Vocabularies, Rules, and Schemes

Network Development and MARC Standards Office
Library of Congress

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The source codes listed below have been recently approved. The codes will be added to the applicable Source Codes for Vocabularies, Rules, and Schemes<https://www.loc.gov/standards/sourcelist/> lists. See the specific source code lists for current usage in MARC fields and MODS/MADS elements.

The codes should not be used in exchange records until 60 days after the date of this notice to provide implementers time to include newly-defined codes in any validation tables.

Subject Heading and Term Source Codes

The following source codes have been added to the Subject Heading and Term Source Codes<https://www.loc.gov/standards/sourcelist/subject.html> list for usage in appropriate fields and elements.

  *   Additions:
     *   aatnor - Art and architectural thesaurus terms translated into Norwegian (Norway: Directorate for ICT and Joint Services in Higher Education and Research)
     *   cgndb - Canadian Geographical Names Database (Natural Resources Canada)
     *   gpn - Gazetteer of planetary nomenclature
     *   peakbag - Peakbagger.com
     *   tsaij - Tesauro SAIJ de Derecho Argentino (Sistema Argentino de Informaci�n Jur�dica)

The Library of Congress, Network Development and MARC Standards Office provides information about existing and newly assigned MARC codes on its Web site (www.loc.gov/marc/<https://www.loc.gov/marc/>) as well as notices such as these to subscribers to its MARC listserv.